Finding the Fourth Proportional to 396.99, 595.79 and 305.87
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Solution
The fourth proportional to 396.99, 595.79 and 305.87 is: 459.03
Step by Step Solution
- Step 1: Write the proportion equation
396.99 : 595.79 = 305.87 : x - Step 2: Convert to fraction form
396.99/595.79 = 305.87/x - Step 3: Cross multiply
396.99x = 595.79 × 305.87 - Step 4: Simplify right side
396.99x = 182,229.78 - Step 5: Solve for x
x = 182,229.78/396.99 - Step 6: Final answer
x = 459.03
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.